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A usb, serial port multiplexing and safety isolation system

A security isolation, serial port technology, applied in the direction of instrumentation, error detection/correction, calculation, etc., can solve problems such as time-consuming, labor-intensive, damaged appearance and key functions, so as to avoid plugging and unplugging cables, and facilitate maintenance and troubleshooting. Safe and guaranteed results in repair and troubleshooting processes

Active Publication Date: 2020-12-01
NO 32 RES INST OF CHINA ELECTRONICS TECH GRP
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  • Description
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Problems solved by technology

This method is not only time-consuming and labor-intensive, but also may damage the appearance and key functions during the disassembly process

Method used

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  • A usb, serial port multiplexing and safety isolation system
  • A usb, serial port multiplexing and safety isolation system

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Embodiment Construction

[0021] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0022] The embodiment of the present invention provides a USB, serial port multiplexing and safety isolation system, the external interface of the system is USB, and the serial port mode is USB serial port, including:

[0023] USB, serial port multiplexing and control unit, used to realize intelligent or manual USB and serial port function switching and control;

[0024] USB, serial port multiplexing and control security algorithm, used to realize switching function on, off and security control. ...

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Abstract

The invention discloses a USB and serial-port multiplexing and security isolation system. According to the USB and serial-port multiplexing and security isolation system, an external interface is USB,and a serial-port mode is a USB serial port; the USB and serial-port multiplexing and security isolation system includes a USB and serial-port multiplexing and control unit and a USB and serial-portmultiplexing and control security algorithm, wherein the USB and serial-port multiplexing and control unit is used for smartly or manually switching and controlling USB and serial port functions, andthe USB and serial-port multiplexing and control security algorithm is used for starting or closing a switching function and carrying out security control. According to the USB and serial-port multiplexing and security isolation system, the USB interface and the serial port adopt the same cable, when the switching function is in use, it is unnecessary to plug the cable, only software switching isneeded, and regarding design, the USB function or the serial port function can be switched at random by the adoption of the USB and serial-port multiplexing and security isolation system, so that a debugging process is more convenient.

Description

technical field [0001] The invention designs a USB interface multiplexing system of a mobile intelligent terminal, specifically a USB and serial port multiplexing and safety isolation system. Background technique [0002] Universal Serial Bus (USB) is an external bus standard and a technical specification for input and output interfaces, and is widely used in information communication products such as personal computers and mobile devices. USB OTG is the abbreviation of USB On-The-Go. It is a technology developed in recent years. It is mainly used in the connection between various devices or mobile devices for data exchange. [0003] At present, the interface on the intelligent terminal of the mobile intelligent operating system has adopted this USB-OTG technology to realize the data interaction between various devices. The serial port is a necessary port during troubleshooting. In general intelligent terminal design, test points are generally reserved on the main board, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F11/22
CPCG06F11/221G06F11/2273
Inventor 李雪峰邹姝妹张玥
Owner NO 32 RES INST OF CHINA ELECTRONICS TECH GRP
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